Top 12 Open-Source Alternatives to PlantUML

PlantUML

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

As PlantUML is an open source project, you can find more open source alternatives and stats on LibHunt.

6 mentions

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Pricing:

Open Source

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Product categories

Charting Libraries Design Collaboration Development Diagrams Flow Charts And Diagrams Flowcharts Haskell JavaScript Prototyping UML UML Diagrams Wireframing

Summary

The top open-source alternatives to PlantUML are draw.io, Gephi, and Pencil Project. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

draw.io Landing Page
1

draw.io

Online diagramming application
Pricing:
- Open Source
#Diagrams #Flowcharts #Wireframing 714 social mentions
Gephi Landing Page
2

Gephi

Gephi is an open-source software for visualizing and analyzing large networks graphs.
Pricing:
- Open Source
#Diagrams #Flowcharts #Wireframing 32 social mentions
Pencil Project Landing Page
3

Pencil Project

Single-user mockup / wireframing / diagramming tool
Pricing:
- Open Source
#Diagrams #Flowcharts #Wireframing 11 social mentions
Mermaid Landing Page
4

Mermaid

Create diagrams and visualizations using text and code.
Pricing:
- Open Source
#Flow Charts And Diagrams #Diagrams #UML 28 social mentions
asciiflow Landing Page
5

asciiflow

Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.
Pricing:
- Open Source
#Diagrams #Flowcharts #UML 31 social mentions
nomnoml Landing Page
6

n

nomnoml

nomnoml is a free and open source tool to generate nice looking UML diagrams from simple text definitions.
Pricing:
- Open Source
#Diagrams #Flowcharts #Prototyping 5 social mentions
Textik Landing Page
7

Textik

Textik is a free ASCII diagrams editor which allows you to create any text-based ASCII diagram.
Pricing:
- Open Source
#Development #Diagrams #Flowcharts 5 social mentions
Kroki Landing Page
8

Kroki

Creates diagrams from textual descriptions! It provides a unified API with support for BlockDiag, BPMN, Bytefield, C4 (with PlantUML), Ditaa, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, SvgBob, UMLet, Vega, Vega-Lite, WaveDrom
Pricing:
- Open Source
#Diagrams #Flowcharts #Prototyping 31 social mentions
C3.js Landing Page
9

C3.js

D3-based reusable chart library that enables deeper integration of charts into web applications
Pricing:
- Open Source
#Diagrams #Flowcharts #Charting Libraries 11 social mentions
C4 model Landing Page
10

C4 model

The C4 model for visualising software architecture. Context, Containers, Components, and Code.
Pricing:
- Open Source
#Flow Charts And Diagrams #Diagrams #UML 17 social mentions
Diagrams Haskell package Landing Page
11

Diagrams Haskell package

Diagrams is a powerful, flexible, declarative domain-specific language for creating vector...
Pricing:
- Open Source
- Free
#Diagrams #Flowcharts #Haskell 1 social mentions
mockingbird Landing Page
12

mockingbird

Mockingbird helps you you create and share clickable wireframes. Use it to make mockups of your website or application in minutes.
Pricing:
- Open Source
#Prototyping #Flowcharts #Diagrams